Auction # 2024 WORLDWIDE - ARGENTINA: Special June auction

RARE CAR POSTAL AGENCY: Registered cover sent from Trelew to Buenos Aires on 10/JUL/1929, as at the time communications in Patagonia were extremely difficult, the cover was dispatched by postal agency to San Antonio Oeste, there it was franked with 25c. and posted by mail (on 12/JUL) to destination, with arrival on 15/JUL. On back it bears the extremely rare violet mark: "LINEA DE AUTOMOVILES - ENTRE TRLEW-SAN ANTONIO-BUENOS AIRES - LA UNION - ..." very well applied, very few known!